Home / 198,528.16-274,001.52-144,990.40

Finding the Fourth Proportional to 198,528.16, 274,001.52 and 144,990.40

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Solution

The fourth proportional to 198,528.16, 274,001.52 and 144,990.40 is: 200,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528.16 : 274,001.52 = 144,990.40 : x
  2. Step 2: Convert to fraction form
    198,528.16/274,001.52 = 144,990.40/x
  3. Step 3: Cross multiply
    198,528.16x = 274,001.52 × 144,990.40
  4. Step 4: Simplify right side
    198,528.16x = 39,727,589,985.41
  5. Step 5: Solve for x
    x = 39,727,589,985.41/198,528.16
  6. Step 6: Final answer
    x = 200,110.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.